Home / 892,619.40-1,231,359.30-569,990.28

Finding the Fourth Proportional to 892,619.40, 1,231,359.30 and 569,990.28

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Solution

The fourth proportional to 892,619.40, 1,231,359.30 and 569,990.28 is: 786,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,619.40 : 1,231,359.30 = 569,990.28 : x
  2. Step 2: Convert to fraction form
    892,619.40/1,231,359.30 = 569,990.28/x
  3. Step 3: Cross multiply
    892,619.40x = 1,231,359.30 × 569,990.28
  4. Step 4: Simplify right side
    892,619.40x = 701,862,832,187.60
  5. Step 5: Solve for x
    x = 701,862,832,187.60/892,619.40
  6. Step 6: Final answer
    x = 786,295.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.